Hub attachment



H. J. HABER.

METHOD OF TREATING CHARCOAL.

APPUCATION FILED APR. 18. I918.

1 4015 3 1 Patented Feb. 21, 1922.

' ,EzveIZZ iwzw wags LEE WILMER HENSLEY, OF MEXIA, TEXAS.

HUB ATTACHMENT.

1,407,533. Specification of Letters Patent. Pat t d F 21 1922 

